Ohio Rev. Code § 1747.02
No real estate investment trust shall be authorized to transact real estate business in this state unless it fully complies with section 1747.03 of the Revised Code, except that a real estate investment trust that holds an estate or interest in real property in this state on the effective date of this section may continue to transact real estate business in this state if it fully complies with section 1747.03 of the Revised Code within one year after the effective date of this section and may dispose of the estate or interest within one year after the effective date of this section. However, nothing contained in sections 1747.01 to 1747.13 of the Revised Code shall be construed to limit, prohibit, or invalidate the existence, acts, or obligations to the state or any person, of any real estate investment trust with respect to any real estate business or other business it transacted in this state prior to the effective date of this section.
R.C. §1747.02